🌐EnglishEnglishFrançaisItalianoРусскийفارسی한국어中文日本語EntityQ7979829· pop 7· linked from 22 articlesWeierstrass transform"Smoothing" integral transformAvailable in 7 languagesFrançaisРусскийItalianoCatalanفارسی한국어via Wikidata sitelinks · CC0ConnectionsDirac delta functionEntitymathematicsEntityCategoriesIntegral transformsMathematical physics